import axios from 'axios'
import { MessageBox } from 'element-ui'
import store from '../store'
import { getToken } from '@/utils/auth'
import { DonMessage } from '@/utils/DonMessage'

// 创建axios实例
const service = axios.create({
  baseURL: process.env.BASE_API, // api的base_url
  withCredentials: true,
  timeout: 50000 // 请求超时时间
})

// request拦截器
service.interceptors.request.use(config => {
  config.headers.post['Content-Type'] = 'application/json;charset=UTF-8'
  if (store.getters.token) {
    config.headers['token'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  return config
}, error => {
  // Do something with request error
  console.log(error) // for debug
  Promise.reject(error)
})

// respone拦截器
service.interceptors.response.use(
  response => {
  /**
  * resType 可结合自己业务进行修改
  */
    const res = response.data
    if (res.resType !== '200') {
      // 400:未登录/token失效; 401:未授权;
      if (res.resType === '400') {
        MessageBox.alert('你已被登出，可以取消继续留在该页面，或者重新登录', '确定登出', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning',
          showClose: false,
          closeOnClickModal: false,
          closeOnPressEscape: false
        }).then(() => {
          store.dispatch('FedLogOut').then(() => {
            location.reload() // 为了重新实例化vue-router对象 避免bug
          })
        })
      } else if (res.resType === '401') {
        new DonMessage().error({
          message: '您未授权访问此功能，请联系管理员！',
          type: 'error',
          duration: 5 * 1000
        })
      } else {
        new DonMessage().error({
          message: res.message,
          type: 'error',
          duration: 5 * 1000
        })
      }
      return Promise.reject(response.data)
    } else {
      if (res.resCode === 200) {
        return Promise.resolve(response.data)
      } else {
        if (!response.config.headers['Error-Echo']) {
          new DonMessage().error({
            message: res.message,
            type: 'error',
            duration: 5 * 1000
          })
        }
        return Promise.reject(response.data)
      }
    }
  },
  error => {
    console.log('err' + error)// for debug
    new DonMessage().error({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
